Packages@isp.nexus/tigerFunctionsisTerritoryFIPSCodeOn this pageisTerritoryFIPSCode() function isTerritoryFIPSCode(code): code is FIPSTerritoryCode Type-predicate to determine if a given string is a valid territory FIPS code. Parameters ParameterTypecodeundefined | null | string Returns code is FIPSTerritoryCode